48 Hours: Season 38, Episode 8

38 - 8: The Setup Murder of Kristil Krug

A stalker sends menacing messages to a young mother before she is murdered. The investigation reveals a sinister setup. In this week's 48 HOURS, correspondent Peter Van Sant reports on how law enforcement unraveled the case, including why a person of interest believes the spirit of the victim gave him "the urge" to buy a sweatshirt that ultimately helped clear his name.